Hyundai Santa Fe (TM): Controller / Heater & A/C Control Unit (Manual). Components and components location

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Heating,Ventilation And Air Conditioning / Controller / Heater & A/C Control Unit (Manual). Components and components location

Component

Connector Pin Function
Pin No
Connector A
Connector B
1
 Battery
 Low
2
 ISG B+
 Common
3
 ILL+ (TAIL)
 Ground
4
 Sensor REF (+5V)
 Middle Low
5
 Mode Actuator Feedback
 Middle High
6
 Temperature Actuator Feedback
 High
7
 Intake Actuator Feedback
 -
8
 Evaporator Temperature Sensor (+)
9
 Ambient Temperature Sensor (+)
10
 Mode Actuator (Vent)
11
 Mode Actuator (Defrost)
12
 Temperature Control Actuator (Cool)
13
 Temperature Control Actuator (Warm)
14
 Intake Actuator (Fresh Air)
15
 Intake Actuator (Recirculated Air)
16
 HTD (Rear Defrost)
17
 Rear Defogging Swich
18
 Rear C-LINE
19
 Blower Common Signal
20
 ILL - (RHEO)
21
 IGN2
22
 IGN1
23
 -
24
 Rear Blower Motor (+)
25
 Rear Mosfet (GATE)
26
 Rear Mosfet (DRAIN F/B)
27
 Max Blower on Signal
28
 PTC Relay 2 (DIESEL)
PTC Relay 1 (GASOLINE)
29
 -
30
 PTC ON Signal (DIESEL)
- (GASOLINE)
31
 -
32
 -
33
 P-CAN_(HIGH)
34
 P-CAN_(LOW)
35
 -
36
 ECV (+)
37
 ECV (-)
38
 Sensor Ground
39
 Ground
40
 Ground

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the console upper cover (A).

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    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Warning Indicator. Components and components location

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    Troubleshooting Diagnosis with Diagnostic tool 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool). The diagnostic system (Diagnostic tool) provides the following information.

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